The digestive system is the system that sorts out the nutrients and absorbs it, so it beneficial to your body.<span />
An under the tongue or in the ear thermometer since they are pretty self explanatory or a forehead thermometer if the ears are sensitive.
This would be an example of classical conditioning. This is almost exactly what Pavlov did with his dogs.
Answer:
I believe its A college degree is more of a guarantee of solid income than it was in the past.
Explanation: